Combined solar collector and liquid storage tank for solar water heater


FIG. 1 is an isometric view of an combined solar collector and liquid storage tank for a solar water heater showing our new design as seen from the top and one side;

FIG. 2 is an isometric view thereof as seen from the bottom and opposite side;

FIG. 3 is a top plan view thereof on an enlarged scale;

FIG. 4 is a side elevational view thereof; and

FIG. 5 is a bottom plan view thereof on a reduced scale.

Referenced Cited
U.S. Patent Documents
D236473 August 1975 Kerlin et al.
D255379 June 10, 1980 Riley
D288956 March 24, 1987 Wadleigh
4010733 March 8, 1977 Moore
4284066 August 18, 1981 Brow
Foreign Patent Documents
0068556 May 1980 JPX
0053342 May 1981 JPX
Patent History
Patent number: D312069
Type: Grant
Filed: Feb 11, 1987
Date of Patent: Nov 13, 1990
Assignee: Solco Limited (Canning Vale)
Inventors: Kenneth G. Williamson (Canning Vale), Keith S. P. Graham (Canning Vale)
Primary Examiner: Susan J. Lucas
Assistant Examiner: M. H. Tung
Law Firm: Harness, Dickey & Pierce
Application Number: 7/13,385